An object moving with a speed of 5 m/s comes to rest in 10 s, after the brakes are applied. What is the initial velocity?

1. zero
2. 5 m/s
3. 15 m/s
4. 50 m/s

It is given that before applying brakes the body was moving with of 5m/s. no other speed is provided. Then this 5m/s is nothing but the initial speed of the body.

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5 m/s

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5 m/s is its initial velocity.

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The  initial  velocity  of  the  object  is  5 m / s.

  • -2

 initial velocity of the object is 5 m / s.

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the ans. is ryt.. but how do i do it??

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